Science news articles about 'summer sunlight'

Researchers in Sweden say there might be a link between constant summer sunlight and a high rate of suicide in Greenland, a finding that medical officials in northern Canada are watching.

... "cool roof," and it reflects sunlight, cutting air conditioning bills in summer, but increasing winter ... coated with the material would reflect scorching summer sunlight and reduce sticker-shock air ...

... sheets of ice, Earth's orbit shifted. More summer sunlight began falling on the northern hemisphere ... came just as the planet's orientation was shifting, and summer sunlight to the northern hemisphere was declining, at about 11 ...

... for researchers creating photovoltaic cells that convert sunlight into electricity. As such, researchers are constantly trying to mimic ... as often as every 45 minutes when in direct summer sunlight. This rapid repair mechanism allows ...

... a key aspect of that process. One of the problems with harvesting sunlight is that the sun's rays can be highly destructive to many materials ... efficient repair mechanism," he says. In full summer sunlight, "a leaf on a tree is recycling its proteins ...